Home / 328,464.30-492,654.09-103,847.55

Finding the Fourth Proportional to 328,464.30, 492,654.09 and 103,847.55

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Solution

The fourth proportional to 328,464.30, 492,654.09 and 103,847.55 is: 155,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,464.30 : 492,654.09 = 103,847.55 : x
  2. Step 2: Convert to fraction form
    328,464.30/492,654.09 = 103,847.55/x
  3. Step 3: Cross multiply
    328,464.30x = 492,654.09 × 103,847.55
  4. Step 4: Simplify right side
    328,464.30x = 51,160,920,243.98
  5. Step 5: Solve for x
    x = 51,160,920,243.98/328,464.30
  6. Step 6: Final answer
    x = 155,757.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.